Enerflex Ltd

EFXTNYSE · USD
23.34USD+1.11 (+5.00%)
7610

Enerflex Ltd (EFXT) Historical Volatility

EFXT's 30 day historical volatility is 71.53%, in the 100th percentile of readings over the past year. This is a high percentile, meaning Enerflex Ltd shares have swung far more than usual. EFXT's 30 day implied volatility sits at 81.13%, with an IV Rank of 86.90%, leaving IV 9.60 points above historical volatility. This means options are pricing in more movement than the stock has actually delivered, as of Nov 2, 2026.

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Tracking EFXT historical volatility helps you see how much Enerflex Ltd's stock price has actually moved, giving you a baseline for whether option premiums look fair, cheap, or expensive. While implied volatility shows what the market expects, EFXT's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor EFXT 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of a stock's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. EFXT's 30 day historical volatility, or EFXT HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing EFXT's HV to its implied volatility reveals the volatility risk premium. When IV sits well above HV, options are pricing in more movement than the stock has actually delivered, giving option sellers an edge. When HV runs hot relative to IV, options are pricing in less movement than the stock has delivered, and buyers may be underpaying for it.

Enerflex Ltd. supplies natural gas compression, oil and gas processing, refrigeration systems, energy transition solutions, and electric power generation equipment to the oil and natural gas industry. The company provides custom and standard compression packages for reciprocating and screw compressor applications; and designs, engineers, manufactures, constructs, and installs modular natural gas processing equipment, refrigeration systems, and electric power solutions, as well as engages in re-engineering, re-configuration, and re-packaging of compressors for various field applications; and modular processing equipment and waste gas systems for natural gas facilities.

Historical Volatility

HV Percentile
100thHV Percentile
High

Historical movement is elevated versus the past year. The stock has been unusually active.

Historical Volatility (30d)71.53%

HV Percentile100th

Implied Volatility (30d)81.13%

IV Rank86.90%

IV Minus HV+9.60%

As of Nov 2, 2026

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of Nov 2, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of Nov 2, 2026

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